Round: 44 Ground: Hardcourt outdoor
| ITF Portugal F7 | 2018/04/11 11:55 | Cabral, Francisco v Frederico Ferreira Silva | 6-7,2-6 |
| ITF Portugal F6 | 2018/03/27 11:30 | Cabral, Francisco v Simon, Tobias | 6-7,4-6 |
| ITF Portugal F5 | 2018/03/21 10:00 | Ortega-Olmedo, Roberto v Cabral, Francisco | 6-1,7-6 |
| Portugal F4, Singles Qualifying | 2018/03/14 10:00 | Cabral, Francisco v Johan Nikles | 6-0,2-6,1-6 |
| ITF Portugal F3 | 2018/03/08 13:30 | Dias, Francisco v Cabral, Francisco | 6-4,7-6 |
| ITF Portugal F2 | 2018/03/03 11:00 | Pedro Vives Marcos v Cabral, Francisco | 6-4,6-2 |
| ITF Portugal F1 | 2018/02/20 10:00 | Manuel Guinard v Cabral, Francisco | 6-3,6-1 |
| ITF Spain F2 | 2018/01/25 09:00 | Cabral, Francisco v Lorenzo Giustino | 1-6,3-6 |
| ITF Portugal F8 Qual | 2018/04/14 10:30 | Gomes, Miguel v Pragana, Antonio Pedro | 6-7,6-3,0-6 |